---
title: "Carbonato De Magnesio — $221K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/carbonato-de-magnesio"
last_updated: "2026-08-06T20:20:58.561Z"
locale: en
meta:
description: "Niche score 52/100 · $221K/yr market · 265K searches/yr · $18.63 avg price. Soft demand (-8.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 52/100 · $221K/yr market · 265K searches/yr · $18.63 avg price. Soft demand (-8.6% this quarter) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Carbonato De Magnesio — $221K/yr Amazon US Niche (2026) - Flapen"
---
# **carbonato de magnesio**
**Worth a look**
Shows low returns (0.0%), but soft demand (-8.6% this quarter) keeps it on the watch list.
Market size 42Growth 21Conversion 54Competition 34Returns 100Price range 81Avg price 84Brand share 55Review moat 48Quality gap 62
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$18.63**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.69–$48.45**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Good****72%**
top-5 brand share — brands hold most of the demand
**Conversion**
**Good****4.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Okay****1,684.26**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$221K**
$221K/yr · 265K searches
**Competition**
**Okay****65%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Bad****-8.6%**
90-day search growth — must beat 0% to launch
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, carbonato de magnesio is a $221K/yr Amazon United States market (265K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 52/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **carbonato de magnesio market data**
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$186K–$233K**
- units × avg price
- **Conversion rate**
- **4.5%**
- **Avg BSR**
- **#1,621**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **74%**
- **Out of stock**
- **10.9%**
- **Avg brand age**
- **64 months**
- **Avg seller age**
- **159 days**
## **Competition & brand share**
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▼falling
**Sellers**
**27**
**Top-5 brand share**
**72%**
Top 20: 100%
**Top-5 click share**
**65%**
Top 20: 97%
**Open market**
**23%**
- duwhot20% - NutriVivency18% - Lenico Comercializadora14% - BulkSupplements11% - Generic9% - PURE ORIGINAL INGREDIENTS5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -8.6% search growth over the last 90 days.
23K18KSpike '25Prime Day '25Spike '26Prime Day '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Aug · busiest ÷ quietest = 8.3×
[**Open Trend **](https://flapen.com/research/us/health-household/carbonato-de-magnesio/trend)
## **Top carbonato de magnesio search terms**
- **magnesium carbonate**156K/yr-2.1%4.6% conv. - **carbonato de magnesio**44K/yr-8.3%3.5% conv. - **magnesium carbonate capsules**24K/yr+190.0%6.1% conv. - **carbonato de magnesio puro**10K/yr-28.6%2.4% conv. - **magnesio carbonato**9K/yr-17.3%4.2% conv. - **magnesium carbonate supplement**4K/yr+7.9%4.0% conv. - **magnesio carbonato de alta calidad**3K/yr+270.0%2.7% conv. - **magnesium carbonate for belly fat**11K/yr-97.7%2.9% conv. - **magnesium carbonate pills**2K/yr-11.3%5.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/carbonato-de-magnesio/search-terms)
## **Top carbonato de magnesio products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$22K20%$44K30%$66K40%$89K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 23 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**duwhot Magnesium Carbonate 500mg 90 Capsules**duwhot**$22.00**4.5★106 rev](https://www.amazon.com/dp/B0FM6QJ4YX) [2**Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Inositol Vitamin B2 B6 D3 K2 Zinc for Bone Health Muscle & Digestive Support Vegan Non-GMO 90 Capsules**NutriVivency**$20.75**4.5★70 rev](https://www.amazon.com/dp/B0FP6KDPKP) [3**BulkSupplements.com Magnesium Carbonate Powder - Magnesium Supplement Mag Carbonate Powder - Pure Magnesium Gluten Free 875mg (210mg Magnesium) per Serving 500g (1.1 lbs)**BulkSupplements**$19.58**4.3★979 rev](https://www.amazon.com/dp/B00EOWINQS) [4**LENICO Magnesium Carbonate Cubes | Pack of 3 x 7 g Each | Natural Dietary Supplement Gluten-Free Vegan Food Grade Made in Mexico**Lenico Comercializadora**$17.00**4.2★45 rev](https://www.amazon.com/dp/B0FQK7BDG7) [5**Magnesium Carbonate 7g x 4 Cubes (Pack) Pure Magnesium Carbonate Food Grade Non-GMO Gluten-Free Vegan Carbonato de Magnesio en Cubos Hecho en Mxico**Generic**$22.20**4.3★144 rev](https://www.amazon.com/dp/B0FFL837G7)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule**Etta Vita**$26.28**402 rev4mo ago](https://www.amazon.com/dp/B0G4F3GP5S) [**softbear Magnesium Carbonate Gummies 500mg Sugar-Free Magnesium Supplement Gummies for Adults & Kids Support Bone & Muscle & Digestive Health Vegan/Organic Strawberry Flavor 60 Count**softbear**$7.69**39 rev7mo ago](https://www.amazon.com/dp/B0FVRH8VDM) [**Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Vitamin B6 D3 Zinc for Digestive Muscle & Nerve Health Gentle & High Absorption Vegan Non-GMO 90**HOLLEGEND**$11.16**18 rev9mo ago](https://www.amazon.com/dp/B0FYNX7MY1) [**Magnesium Carbonate 500mg Gummies Raspberry Flavor 60 Count**Youlikee**$11.13**43 rev10mo ago](https://www.amazon.com/dp/B0FMQZFJKG) [**Magnesium Carbonate Cubes 12 Pack | Pure Food Grade Non-GMO Gluten-Free Vegan | Easy to Dissolve Natural Wellness Mineral Made in Mexico LENICO**Lenico Comercializadora**$48.45**22 rev10mo ago](https://www.amazon.com/dp/B0FQQL76ZH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Magnesium Complex for Women & Men 500mg (7-in-1) Magnesium Glycinate with Vegan D3 B6 and Manganese (Made In USA) + Gluconate Citrate Malate Taurate Orotate Carbonate (Oxide-Free) Small Capsule**Etta Vita**$26.28**4.6★**▲ 543%**](https://www.amazon.com/dp/B0G4F3GP5S) [**Magnesium Complex 700mg | 12-in-1 High Absorption Supplement | Glycinate Citrate Malate Taurate & More | Sleep Support Muscle Cramp Relief Stress Heart Bone & Nerve Health | 120 Vegan Capsules**Vccvaa**$10.13**4.6★**▲ 251%**](https://www.amazon.com/dp/B0FHH4CCD9) [**LENICO Magnesium Carbonate Cubes | Pack of 3 x 7 g Each | Natural Dietary Supplement Gluten-Free Vegan Food Grade Made in Mexico**Lenico Comercializadora**$17.00**4.2★**▲ 234%**](https://www.amazon.com/dp/B0FQK7BDG7) [**Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Vitamin B6 D3 Zinc for Digestive Muscle & Nerve Health Gentle & High Absorption Vegan Non-GMO 90**HOLLEGEND**$11.16**4.8★**▲ 137%**](https://www.amazon.com/dp/B0FYNX7MY1) [**Magnesium Carbonate Capsules 500mg Magnesium Carbonate Supplement with Calcium Inositol Vitamin B2 B6 D3 K2 Zinc for Bone Health Muscle & Digestive Support Vegan Non-GMO 90 Capsules**NutriVivency**$20.75**4.5★**▲ 133%**](https://www.amazon.com/dp/B0FP6KDPKP)
**~~View all trending →~~**
## **What buyers say about carbonato de magnesio**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Magnesium**19%
*“Best magnesium ive got so far”*
**Sleep Quality**17%
*“improve sleep”*
**Quality-Overall**13%
*“EXCELLENT PRODUCT”*
**Value For Money**5%
*“Great value”*
**Vitamin**4%
*“These have a good collection of vitamins”*
**Muscle Pain Relief**4%
*“helps relax muscles”*
**Efficiency**4%
*“Works ok”*
**Ease Of Chewing/Swallowing**3%
*“The capsules are easy to pass”*
**Advertised Vs Actual Product**3%
*“As described”*
**Ease Of Use**3%
*“The capsules are convenient”*
### **What buyers complain about **
**Dosage**10%
*“The dosage on the bottle conflicts with the dosage stated on the Amazon site”*
**Magnesium**9%
*“I did not like this Magnesium supplement”*
**Value For Money**9%
*“Not a great value”*
**Sleep Quality**7%
*“This does not help me sleep”*
**Taste-Overall**5%
*“Off taste”*
**Functionality-Overall**5%
*“Doesn't work”*
**Quality-Overall**4%
*“Poor Quality Control”*
**Acid Regulator/Stomach Ache Relief**4%
*“Very mild on the stomach”*
**Side Effects**3%
*“Caused severe diarrhea after one dose”*
**Pain Relief-Overall**2%
*“Inflammation like pain”*
### **Top return reasons **
**Magnesium**21%
**Acid Regulator/Stomach Ache Relief**14%
**Joint Pain**14%
**Vitamin**14%
**Value For Money**14%
**Ingredients-Overall**14%
**Heart Health**7%
## **Common questions**
- **Is carbonato de magnesio profitable to sell on Amazon United States?**
- The niche generates $221K/yr across 23 tracked products. 5 of 11 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the carbonato de magnesio niche?**
- 20 brands and 27 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 72% of demand.
- **What do buyers complain about in carbonato de magnesio?**
- Top complaints mined from reviews: Dosage, Magnesium, Value For Money. The return rate is 0.0%.
- **When does demand for carbonato de magnesio peak?**
- Demand peaks in Jun–Jul–Aug; the busiest month runs 8.3× the quietest.
- **What does it cost to enter the carbonato de magnesio niche?**
- Listings span $7.69–$48.45; the average listing price is $18.63 (sweet spot $15–$100). The average incumbent carries 1,684 reviews — the moat a new listing must climb.
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